The Bestest Butter Cookies (Rolled)

My mother in law has been making these for Christmas for years and years. I make them for all holidays, using different cookie cutters for whatever occasion. They are the best when they are frosted, but sometimes I just sprinkle on colored sugar before baking. I call them "Play Dough" cookies because that's what the dough smells like to me! (Don't worry, they don't taste like Play Dough :) Chilling time is not included.